{"id":"CVE-2020-24560","aliases":["EUVD-2020-17279","GHSA-5gc2-xc6c-wh7r"],"status":"published","title":"An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 ...","description":"An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family of products could allow an attacker to combine this vulnerability with another attack to trick an affected client into downloading a malicious update instead of the expected one. CWE-295: Improper server certificate verification in the communication with the update server.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01772,"percentile":0.78337,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2020-09-24T01:50:22Z","modified":"2026-06-17T03:05:45Z","products":[{"vendor":"trend micro","product":"trend micro security (consumer)"},{"vendor":"trend micro, inc.","product":"trend micro security (consumer)"},{"vendor":"trendmicro","product":"antivirus\\+_2019"},{"vendor":"trendmicro","product":"internet_security_2019"},{"vendor":"trendmicro","product":"maximum_security_2019"},{"vendor":"trendmicro","product":"officescan_cloud"},{"vendor":"trendmicro","product":"premium_security_2019"}],"references":[{"url":"https://helpcenter.trendmicro.com/en-us/article/TMKA-09890","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://helpcenter.trendmicro.com/ja-jp/article/TMKA-09673","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN60093979/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://jvn.jp/jp/JVN60093979/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24560"},{"url":"https://github.com/advisories/GHSA-5gc2-xc6c-wh7r"}],"sources":{"cve":[{"id":"CVE-2020-24560","description":"An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family of products could allow an attacker to combine this vulnerability with another attack to trick an affected client into downloading a malicious update instead of the expected one. CWE-295: Improper server certificate verification in the communication with the update server.","status":"published","published":"2020-09-24T01:50:22Z","modified":"2024-08-04T15:19:07.405Z","updated_at":"2026-11-02T14:35:54.170199Z"}],"euvd":[{"id":"EUVD-2020-17279","description":"An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family of products could allow an attacker to combine this vulnerability with another attack to trick an affected client into downloading a malicious update instead of the expected one. CWE-295: Improper server certificate verification in the communication with the update server.","status":"published","published":"2020-09-24T01:50:22Z","modified":"2024-08-04T15:19:07Z","updated_at":"2026-11-03T03:07:19.775117Z"}],"ghsa":[{"id":"GHSA-5gc2-xc6c-wh7r","title":"An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 ...","description":"An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family of products could allow an attacker to combine this vulnerability with another attack to trick an affected client into downloading a malicious update instead of the expected one. CWE-295: Improper server certificate verification in the communication with the update server.","status":"published","published":"2022-05-24T17:29:23Z","modified":"2023-01-29T05:04:12Z","updated_at":"2026-11-02T14:45:29.899073Z"}],"nvd":[{"id":"CVE-2020-24560","description":"An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family of products could allow an attacker to combine this vulnerability with another attack to trick an affected client into downloading a malicious update instead of the expected one. CWE-295: Improper server certificate verification in the communication with the update server.","status":"published","published":"2020-09-24T02:15:12.407Z","modified":"2026-06-17T03:05:45.827Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:06:15.83396Z"}]}}